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Vulnerabilities

CVE-2026-40410

High
CWE-416 — Weakness Type
Published: May 12, 2026  ·  Modified: May 19, 2026  ·  Source: NVD
CVSS v3
7.0
🔗 NVD Official
📄 Description (English)

Use after free in Windows SMB Client allows an authorized attacker to elevate privileges locally.

🤖 AI Executive Summary

CVE-2026-40410 is a use-after-free vulnerability in Windows SMB Client that allows authorized attackers to elevate privileges locally. This memory safety issue affects Windows systems and requires local access to exploit.

📄 Description (Arabic)

ثغرة استخدام بعد التحرير في عميل Windows SMB تسمح لمستخدم مصرح بالوصول المحلي برفع امتيازاته إلى مستوى النظام. تنشأ المشكلة من معالجة غير آمنة للذاكرة في مكون SMB Client. تتطلب الاستفادة من الوصول المحلي والمصادقة.

🤖 ملخص تنفيذي (AI)

CVE-2026-40410 هي ثغرة استخدام بعد التحرير في عميل Windows SMB تسمح للمهاجمين المصرحين برفع الامتيازات محليًا. تؤثر هذه المشكلة على أنظمة Windows وتتطلب وصولاً محليًا للاستغلال.

🤖 AI Intelligence Analysis Analyzed: May 19, 2026 13:49
🇸🇦 Saudi Arabia Impact Assessment
Saudi Relevance: high
🏢 Affected Saudi Sectors
banking telecom energy government healthcare
🎯 MITRE ATT&CK Techniques
⚖️ Saudi Risk Score (AI)
7.0
/ 10.0
🔧 Remediation Steps (English)
Apply Windows security updates immediately. Implement principle of least privilege for user accounts. Restrict SMB access through network segmentation. Monitor for suspicious SMB client activity and privilege escalation attempts. Disable SMB v1 if not required.
🔧 خطوات المعالجة (العربية)
تطبيق تحديثات أمان Windows فوراً. تطبيق مبدأ أقل امتياز للحسابات. تقييد وصول SMB من خلال تقسيم الشبكة. مراقبة نشاط عميل SMB المريب ومحاولات رفع الامتيازات. تعطيل SMB v1 إذا لم تكن مطلوبة.
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
5.1.1 5.1.2
🔵 SAMA CSF
CC-6.1 CC-6.2
🟡 ISO 27001:2022
A.12.2.1 A.14.2.1
📦 Affected Products / CPE 24 entries
microsoft:windows_10_1607
microsoft:windows_10_1607
microsoft:windows_10_1809
microsoft:windows_10_1809
microsoft:windows_10_21h2
microsoft:windows_10_21h2
microsoft:windows_10_21h2
microsoft:windows_10_22h2
microsoft:windows_10_22h2
microsoft:windows_10_22h2
microsoft:windows_11_23h2
microsoft:windows_11_23h2
microsoft:windows_11_24h2
microsoft:windows_11_24h2
microsoft:windows_11_25h2
microsoft:windows_11_25h2
microsoft:windows_11_26h1
microsoft:windows_11_26h1
microsoft:windows_server_2012:r2
microsoft:windows_server_2016
microsoft:windows_server_2019
microsoft:windows_server_2022
microsoft:windows_server_2022_23h2
microsoft:windows_server_2025
📊 CVSS Score
7.0
/ 10.0 — High
📊 CVSS Vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack VectorL — Low / Local
Attack ComplexityH — High
Privileges RequiredL — Low / Local
User InteractionN — None / Network
ScopeU — Unchanged
ConfidentialityH — High
IntegrityH — High
AvailabilityH — High
📋 Quick Facts
Severity High
CVSS Score7.0
CWECWE-416
EPSS0.05%
Exploit No
Patch ✗ No
Published 2026-05-12
Source Feed nvd
🇸🇦 Saudi Risk Score
7.0
/ 10.0 — Saudi Risk
Priority: HIGH
🏷️ Tags
CWE-416
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